The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 30, 2021

Filed:

Aug. 29, 2018
Applicant:

Zeon Corporation, Tokyo, JP;

Inventors:

Masahiro Ueno, Tokyo, JP;

Yoshihisa Takeyama, Tokyo, JP;

Assignee:

ZEON CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 3/36 (2006.01); C08K 3/04 (2006.01);
U.S. Cl.
CPC ...
C08K 3/041 (2017.05); C08K 3/36 (2013.01);
Abstract

Disclosed is a rubber composition which comprises a rubber, fibrous carbon nanostructures and a filler, wherein, in a state where the filler is dispersed in the rubber composition, the filler is mainly present as aggregates each formed of a plurality of primary particles aggregated with each other, and the aggregates have an average maximum diameter of 100 nm or more and 1,000 nm or less.


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